seeing that " 360-380HP" is stage0, i am guessing that 380-400 is stage1. remember *=octane dependent since it hasnt really been tested ON THIS FORUM with 93oct. refer to:
http://www.e90post.com/forums/showthread.php?t=38595
[ot]everytime i read "vishnu" i think 'bless you' becuase it sounds like a sneeze[/ot]